Bentone BFG1 Technical specifications

Providing sustainable energy solutions worldwide
178 111 35-2 2018-03–06
Installation- and maintenance instruction
BFG1
STG146
Biogas

3
General
General
Table of contents
GENERAL
Important to remember! ______________________________________________4
Service _____________________________________________________________________5
What to do if you smell gas _________________________________________5
Safety instructions ______________________________________________________6
Delivery check____________________________________________________________6
1. Dimensions BFG1 Biogas__________________________________________7
1.1 Description BFG1_____________________________________________________8
1.1.1 Components BFG1 _______________________________________9
2. Dimensions STG Biogas__________________________________________10
2.1 Description STG_____________________________________________________ 11
2.1.1 Components_______________________________________________12
3. MULTIBLOC ____________________________________________________________13
3.1 DMV-DLE... ___________________________________________________________13
3.1.1 Disassembly of the the Multiblock _________________ 14
3.2 Gas pressure regulator Type FRS _____________________________17
4. ELECTRIC EQUIPMENT LME...________________________________ 20
4.1 Wiring diagram ______________________________________________________20
4.1.1 List of components______________________________________ 21
4.1.2 Function LME...___________________________________________ 21
4.2 Control program at faults; fault mode indicator LME .... _
22
4.2.1 Colour codes ______________________________________________22
4.2.1.1 Diagnosing alarm causes_______________________________22
4.2.1.2 Limiting of starting repetitions __________________________22
4.2.1.3 Alarm code table _______________________________________23
4.2.1.4 Interface diagnostics ___________________________________23

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General
4Bentone
1. General Information
This Installation and Maintenance manual:
• is to be regarded as part of the burner and must always be kept near
the installation site
• is intended for use by authorised personnel
• must be read prior to installation
• must be observed by all who work with the burner and associated
system components
• work with the burner may only be carried out by certified installers/
personnel
Enertech AB is not liable for any typographical errors and reserves the right
to make design changes without prior notice.
Safety instructions
• The burner may only be used for its intended purpose in accordance
with the product’s technical data.
• The burner may only be installed and operated by authorised
personnel.
• The product is packaged to prevent damage from occurring during
handling. Handle the product with care. Lifting equipment must be
used to lift larger packages.
• The products must be transported/stored on a level surface in a dry
environment, max. 80% relative humidity, no condensation.
Temperature -20 to +60 °C.
• Check that the burner is compatible with the boiler’s output range.
• All components must be installed without being bent, twisted or
subjected to mechanical or thermal forces which can affect the
components.
• The burner must be installed so that it complies with local regulations
for fire safety, electrical safety, and fuel distribution.
• The gas outlet from the pressure regulator shall be configured in
accordance with applicable regulations and lead to a safe area.
• Make sure when installing the equipment that there is enough space to
service the burner.
• Permitted temperature during operation -10 to +60 °C. Max 80%
relative humidity, no condensation.
• The installer must ensure that the room has adequate air supply.
• The room must comply with local regulations pertaining to its intended
use.
• The installation site must be free of chemicals.
• Burner pipes, fan wheels and air dampers may contain sharp edges.
• The surface temperature of the burner’s components can exceed 60
°C.
• Caution: The burner has moving parts, and there is risk of crushing
injuries.
172 515 01 2018-01-02

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General
5Bentone
• The electrical installation must be professionally carried out in
accordance with applicable high voltage regulations, as per Enertech’s
recommendations.
• Before servicing, shut off the fuel supply and turn off the power to the
burner.
• Seal inspections must be performed during installation and servicing to
prevent gas leakage.
• Care should be taken by the installer to ensure that no electrical cables
or fuel lines are crushed or otherwise damaged during installation or
servicing.
• If the boiler is equipped with an access hatch, this must be equipped
with a hatch opening switch connected to the burner's safety system.
• When in operation, the burner’s noise level can exceed 85 dBA.
Use hearing protection.
• The burner must not be put into operation without proper safety and
protection devices.
• A Class BE fire extinguisher is recommended.
• It is forbidden to alter thedesign or use accessories which have not
been approved by Enertech in writing.
• Prior to operation, the following points must be checked:
-fitting and installation work has been completed and approved
-electrical installation has been correctly performed
-flue gas ducts and combustion air ducts are not blocked
-all actuators and control and safety devices are in working order and
correctly set
Actions to take if you smell gas
Turn off the equipment and the boiler. Open windows and doors. Prevent
open flames or sparking, e.g. do not turn lights on or off, do not use any
electrical appliances, do not use mobile phones. Open windows and doors.
Close the gas ball valve. Warn residents; do not use doorbells. Evacuate
the building. Notify the installer or gas supplier once the building has been
evacuated.

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General
6Bentone
Control system 10 years 250,000 starts
Valve control system 10 years 250,000 starts
Pressure switch 10 years 250,000 starts
Ignition system with flame guard 10 years 250,000 starts
UV flame sensor 10000 hrs N/A
Gas pressure regulators 15 years N/A
Gas valve without seal testing 10 years 250,000 starts
Gas valve with seal testing Replacement upon fault detection N/A
Gas pressure switch 10 years 250,000 starts
Safety blow-off system 10 years N/A
Damper motor N/A 500,000 starts
Contactor 10 years 500,000 starts
Burner 1 year 3000 hrs
Inspection of electrical installation 1 year 3000 hrs
Leakage check 1 year 3000 hrs
Filter 1 year replacement at ∆p>10 mbar 3000 hrs replacement at ∆p>10
mbar
Electrodes Replacement/Cleaning 1 year Replacement/Cleaning 3000 hrs
Brake disc Replacement/Cleaning 1 year Replacement/Cleaning 3000 hrs
Motor 1 year 3000 hrs
Fan wheel 1 Year
Replacement when cleaning
needed/ imbalance
3000 h
Replacement when cleaning
needed/ imbalance
The burner and its components must be recycled according to applicable regulations.
Burner servicing schedule
Servicing must be carried out once a year or after 3000 hours of operation
Component replacement intervals
Delivery check
• Make sure everything is delivered and the goods have not been
damaged during transit.
• If something is wrong with a delivery, report it to the supplier.
• Transport damage must be reported to the shipping company.

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General
195
186 35
245
350
1. Dimensions BFG1 Biogas
The above-mentioned measurements are maximum measurements. They
can vary, depending on which components are used.
135
286
B
A
-0,5
0,0
0,5
1,0
1,5
2,0
2,5
3,0
10 15 20 25 30 35 40 45 50 55
Connection pressure 25 mbar
60% H4

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General
1.1 Description BFG1
7
8
10
11
12
13
14
15
16
22
1
2
3
4
5
6
24
23

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General
1.1.1 Components BFG1
1. Blast tube
2. Gas pressure switch
3. Connection multiblock
4. Ignition transformer
5. Motor
6. Capacitor
7. Multiblock
8. Air pressure switch
9.
10. Air intake
11. Air regulation
12. Electric connection
13. Gas burner control
14. Reset button
15. Nozzle assembly adjustment
16. Screw for division of burner in front and rear part
17. Nozzle assembly
18. Brake plate
19. Ignition electrode
20.
21. Nozzle
22. Air flow indicator (indicates the air setting)
23. Pressure regulator
24. Filter
18
19
17 21

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General
2. Dimensions STG Biogas
290
139
11
13 14
15
244
192
450
103
61
249
-1,0
0,0
1,0
2,0
3,0
4,0
40 60 80 100 120
Connection pressure 45 mbar
60% H4